Crank shaft bearings .
Plans call for steel shaft in cast iron bearings ?
I am not happy with this idea
I want brass and the bearings are only about 20 mm apart so plenty of room for error.
Mill top of bearing stands down a bit .
Then mill some brass into bearing shape but as one piece for both.
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Drill , tap and bolt in place.
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Then cut and mill to make way for the eccentic
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